我们来看看原理图，注意一下，鱼头是向左的。 鼠标x - 鱼儿 x 等于 边 a 的长度，同样 鼠标y - 鱼儿 y 等于 边 b 的长度。 根据 边 b 与 边 a 我们可以通过 Math.atan2 算出鱼与鼠标所成的角度。 知道角度之后，我们旋转这个角度就是了，但是我们会发现，是鱼尾巴在跟着鼠标跑，这就很尴尬了。 这个时候我们...

Running Kong as a Non-Root User Prerequisites Run Kong Gateway as the built-in kong user Run Kong Gateway as a custom non-root user Running Kong as a Non-Root User After inst...

Grep 命令 更多选项 扩展阅读 Grep 命令 先说句题外话免得我最后忘了：ag ，貌似比grep 更强大。 grep - print lines matching a pattern 通俗的说，就是查找。 怎么查找呢？看语法说明: grep [options] pattern [files] 比如在/etc/passwd 里...

Development & community Branch policy Development & community django CMS is an open-source project, and relies on its community of users to keep getting better. You can join u...

Help:About Sponsors History From: eLinux.org Help:About This is the embedded Linux wiki. The purpose of this wiki is to preserve and present information aboutusing Linu...

Authors Johan Thelin Jürgen Bocklage-Ryannel Cyril Lorquet Authors The Qt 6 Book has been written by a team of authors. They are: Johan Thelin Johan works as a system arc...

Data and Code Analysis Data and Code Analysis Radare2 has a very rich set of commands and configuration options to perform data and code analysis, to extract useful information...

Running the Apache Beam samples With Apache Flink Get Flink Start your local Flink single node cluster Flink Run Configuration setup From Hop GUI From Flink Run Running the...

Running the Apache Beam samples With Apache Flink Get Flink Start your local Flink single node cluster Flink Run Configuration setup From Hop GUI From Flink Run Running the...

Running Kong as a Non-Root User Prerequisites Run Kong Gateway as the built-in kong user Run Kong Gateway as a custom non-root user Running Kong as a Non-Root User After inst...